Stockton, California, United States climate

Average temperatures, precipitation and all-time records for Stockton, California, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is July, averaging a high of 98°F, and its coldest is December, with an average low of 40°F.

Stockton is a city in and the county seat of San Joaquin County, California, United States. It is the most populous city in the county, the 11th-most populous city in California and the 60th-most populous city in the U.S, with 320,804 residents at the 2020 census. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Stockton, California, United States's own ±7-day seasonal distribution.

High 101°F Above Normal · 69th pct

Low 69°F Very High · 97th pct

Feels-like 103°F Below Normal · 27th pct

Humidity 12.2 g/m³ Very High · 93rd pct

Wind 10 mph Very Low · 3rd pct

Precip 0.00 in Dry

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Stockton average temperatures by month

Typical daily high and low, and average precipitation, for each month in Stockton, California, United States, based on 1981–2026 records. The wettest month is January (0.10 in on an average day).

Month	Avg high	Avg low	Avg precip
January	58°F	41°F	0.10 in
February	61°F	42°F	0.10 in
March	65°F	44°F	0.10 in
April	71°F	46°F	0.00 in
May	80°F	50°F	0.00 in
June	91°F	55°F	0.00 in
July	98°F	60°F	0.00 in
August	97°F	59°F	0.00 in
September	91°F	57°F	0.00 in
October	82°F	53°F	0.00 in
November	67°F	46°F	0.10 in
December	58°F	40°F	0.10 in

Jan 33°–66°

Feb 35°–69°

Mar 38°–74°

Apr 40°–82°

May 45°–92°

Jun 51°–101°

Jul 54°–106°

Aug 55°–105°

Sep 52°–101°

Oct 48°–92°

Nov 39°–76°

Dec 34°–65°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 120°F on 2022-09-06
Coldest day on record: 21°F on 1989-02-06

All Stockton weather records →

Percentiles compare each day to Stockton, California, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →